package com.itheima.reggie.common;

import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.sql.SQLIntegrityConstraintViolationException;
@Slf4j
@RestControllerAdvice
public class GlobalExceptionHandler {
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String> exceptionHandler(SQLIntegrityConstraintViolationException e){
      log.info(e.getMessage());
      if (e.getMessage().contains("Duplicate entry")){
          String[]split=e.getMessage().split(" ");
          String s = split[2]+"已存在";
          return R.error(s);
      }
      return R.error("未知错误");
    }

    @ExceptionHandler(Exception.class)
    public R<String> exception(Exception e){
        return R.error("未知错误");
    }
    /**
     * 异常处理方法
     * @return
     */
    @ExceptionHandler(CustomException.class)
    public R<String> exceptionHandler(CustomException ex){
        log.error(ex.getMessage());
        return R.error(ex.getMessage());
    }
}
